ADN2848ACPZ-32-RL7 Analog Devices Inc, ADN2848ACPZ-32-RL7 Datasheet - Page 10

• Manufacturer Part Number: ADN2848ACPZ-32-RL7
• Description: IC,Laser Diode/LED Driver,LLCC,32PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Type: Laser Diode Driver (Fiber Optic)r

Specifications of ADN2848ACPZ-32-RL7

• Data Rate: 1.25Gbps
• Number Of Channels: 1
• Voltage - Supply: 3 V ~ 3.6 V
• Current - Supply: 50mA
• Current - Modulation: 80mA
• Current - Bias: 100mA
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADN2848
MPD
NOTES
*
**
DESIGNATES COMPONENTS THAT NEED TO BE OPTIMIZED FOR THE TYPE OF LASER USED.
FOR DIGITAL PROGRAMMING. THE ADN2850 OR THE ADN2860 OPTICAL SUPERVISOR CAN BE USED.
LD = LASER DIODE
MPD = MONITOR PHOTODIODE
LD
*
10µH
*
*
V
CC
R
*
Z
25
32
1.5kΩ
V
IMODN
GND2
IMODP
GND2
GND2
I
CCBIAS
BIAS
CC
24
1
2
Figure 8. DC-Coupled 50 Mbps to 1.25 Gbps Test Circuit, Data Not Clocked
15kΩ
ADN2848
**
1kΩ
**
ALS
Rev. A | Page 10 of 12
1.5kΩ
10nF
PAVCAP
DATAP
DATAN
ERCAP
8
17
CLKN
GND1
CLKP
V
CC
10nF
1
GND
16
9
1µF
1µF
10nF
EACH V
AS POSSIBLE TO THE ACTUAL SUPPLY PINS ON THE
ADN2848 AND THE LASER DIODE USED.
CONSERVATIVE DECOUPLING WOULD INCLUDE 100pF
CAPACITORS IN PARALLEL WITH 10nF CAPACITORS.
10nF
10nF
10nF
10nF
CC
10nF
SHOULD HAVE BYPASS CAPACITORS AS CLOSE
CLKN
CLKP
DATAP
DATAN
FAIL
DEGRADE
+
10µF